Signal Missing. Intermittent Fault

Signal missing. Intermittent fault

Checking components and wiring
Check the connector for contact resistance, oxidation and loose connections.
Check the cable between engine control module (ECM) terminal #A7 (#A7) and engine cooling fan (FC) control module terminal #1B for an intermittent open-circuit according to Checking wiring and terminals. Intermittent faults Checking Wiring and Terminals. Intermittent Faults.
Remedy as necessary

Other information
- To connect the breakout box and access the control module, see Connecting the breakout box, B5254T2 Connecting the Test Box
- For information about signals on 5-cylinder engines, see Signal specification Signal Specification
- For information about signals on 6-cylinder engines, see Signal specification Signal Specification.













Continue - Fault-tracing information

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Fault-tracing information




Information

Fault-tracing information
If the fault is intermittent, do not verify fault-tracing if the fault does not recur.
It is possible to view the information again, or leave fault-tracing for this diagnostic trouble code (DTC).

Do you want to view the information again?

Yes - Attempt New Test

No - Exit fault-tracing

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Attempt New Test - Checking components and wiring

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